// Copyright (c) 2008 Michael Buckley

// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:

// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

#import "BTLXORHandler.h"

@implementation BTLXORHandler

- (BTLSocketBuffer*)doXOROnData:(BTLSocketBuffer*)someData
{
	int size = [someData remainingSize];
	char* toXOR = [someData remainingRawData];
	int i;
	for(i = 0; i < size; ++i){
		toXOR[i] ^= 255;
	}
	
	BTLSocketBuffer* newData = [BTLSocketBuffer new];
	[newData addData:toXOR ofSize:size];
	return newData;
}

- (void)readData:(BTLSocketBuffer*)someData fromAddress:(BTLSocketAddress*)anAddress
{
	BTLSocketBuffer* newData = [self doXOROnData:someData];
	[self finishedReadingData:newData fromAddress:anAddress];
}

- (void)writeData:(BTLSocketBuffer*)someData toAddress:(BTLSocketAddress*)anAddress
{
	BTLSocketBuffer* newData = [self doXOROnData:someData];
	[self finishedWritingData:newData toAddress:anAddress];
}

@end
